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| author | Bernhard Beschow <shentey@gmail.com> | 2023-05-31 23:10:41 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2023-07-11 00:11:25 +0200 |
| commit | 5fe24213f0c17c3050a7c9e95db459198e27de0e (patch) | |
| tree | ed6cd1c0dfee94ea7108edd15392c22040cadae7 /hw/ide/pci.c | |
| parent | bf0576edd71cf4f70352cc8de1cc914b419b36ff (diff) | |
| download | qemu-5fe24213f0c17c3050a7c9e95db459198e27de0e.zip qemu-5fe24213f0c17c3050a7c9e95db459198e27de0e.tar.gz qemu-5fe24213f0c17c3050a7c9e95db459198e27de0e.tar.bz2 | |
hw/ide: Extract bmdma_status_writeb()
Every TYPE_PCI_IDE device performs the same not-so-trivial bit manipulation by
copy'n'paste code. Extract this into bmdma_status_writeb(), mirroring
bmdma_cmd_writeb().
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20230531211043.41724-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'hw/ide/pci.c')
| -rw-r--r-- | hw/ide/pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/ide/pci.c b/hw/ide/pci.c index 4cf1e9c..0b26a4c 100644 --- a/hw/ide/pci.c +++ b/hw/ide/pci.c @@ -318,6 +318,11 @@ void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val) bm->cmd = val & 0x09; } +void bmdma_status_writeb(BMDMAState *bm, uint32_t val) +{ + bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); +} + static uint64_t bmdma_addr_read(void *opaque, hwaddr addr, unsigned width) { |